<template>
  <div class="son">
    <h3>我是son组件(孙),{{car.name}}--{{car.price}}</h3>
  </div>
</template>
<script>
import { inject } from 'vue'
export default {
  name:'Son',
  setup(){
   let car =  inject('car')
   console.log(car,'***');
   return {car}
   
  }
}
</script>
<style>
  .son{
    background-color: orange;
    padding: 10px;
  }
</style>